21.04.2026

Vulcan would be allowed to fly lower-energy missions as investigation of solid rocket motors anomaly continues

A United Launch Alliance Vulcan rocket launched the Space Force mission USSF-87 in February 2026. Credit: United Launch Alliance

WASHINGTON — The U.S. Space Force is exploring whether it can resume flights of United Launch Alliance’s Vulcan rocket without using the solid rocket boosters now under investigation, a workaround that could allow some missions to proceed even as the vehicle remains grounded for national security launches.

Quelle: SN